What is spondylitis?

Answer 1

Spondylitis is an inflammation of a vertebra. Spondylitis is the name given to a group of chronic or long lasting diseases also called Spondyloarthritis or Spondyloarthropathy. These diseases are forms of inflammatory Arthritis that primarily affect the spine, although other joints and organs can become involved1.


1. http://en.wikipedia.org/wiki/Spondylitis
Ankylosing spondylitis (AS) is achronic painful and often progressive condition that brought about by inflammation of the joints of the spine. It affects the joints between the vertebrae and the sacroiliac joints, i.e, the area where your spine meets your pelvis.

Answer 2

It is the infection of the vertebral body